Update Dockerfile

Dockerfile

@@ -1,7 +1,11 @@
-# Use official Python image
+# Base image
 FROM python:3.10-slim
 
-# Install dependencies for ffmpeg and WhisperX
+# Set environment variables to writable paths
+ENV HF_HOME=/app/hf_cache
+ENV MPLCONFIGDIR=/app/mpl_config
+
+# Install OS packages
 RUN apt-get update && \
     apt-get install -y git ffmpeg libsndfile1 && \
     rm -rf /var/lib/apt/lists/*
@@ -9,15 +13,15 @@ RUN apt-get update && \
 # Set working directory
 WORKDIR /app
 
-# Copy requirements and install
+# Copy dependency list and install
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy app code
+# Copy application code
 COPY . .
 
-# Expose port
+# Expose API port
 EXPOSE 7860
 
-# Run the FastAPI app
+# Run FastAPI
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]